also, jesse jackson jr.'s road from congress to the courthouse. the possibility of a long stretch in prison. the campaign cash with the former democratic congressman took and what was bought with it boggles the mind. we'll tell you about that shortly. we begin, though, with a major development in the killing that has captivated and confounded millions of people around the world. it's captivated them because the shooting death of a glamorous model allegedly at the hands of perhaps the bravest olympic athlete many modern memory could not be more stirring or tragic in and of itself. it's confounding because each day brings more news that does not seem to establish in any clear direction whether oscar pistorius, the blade runner, shot reeva steenkamp dead after a loud, long argument or whether it was a horrific accident. tonight for the first time anywhere, the victim's brother, adam, says that he and the rest of the family are no less confounded. no less torn. our conversation just ahead. >>> first, pretoria, south africa, and day two of a bail heari